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Analysis and classification of secondary sounds from the disintegration of kidney-stones with acoustic shock waves
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- Olsson, Lennart (author)
- Luleå tekniska universitet,Signaler och system
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- Almquist, Lars-Olov (author)
- Department of Biomedical Engineering, Lund University
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- Grennberg, Anders (author)
- Luleå tekniska universitet,Signaler och system
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- 1991
- 1991
- English.
- In: Ultrasound in Medicine and Biology. - 0301-5629 .- 1879-291X. ; 17:5, s. 491-495
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Secondary sound emission, partly in the audible frequency range, from shock wave disintegration of kidney stones has been recorded during the treatment of two patients. A skilled operator can determine by listening if the stone is hit by the shock-wave or not. Spectral analysis of these recordings show differences between sounds which can be used to evaluate the fragmenting effect on the stone. Results are presented of a preliminary discriminating method based on parameters in an autoregressive signal model.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Signalbehandling
- Signal Processing
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- ref (subject category)
- art (subject category)
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